<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="../css/导航条.css">
    <link rel="stylesheet" href="../css/base.css">
</head>
<body>
    <div class="nav">
        <ul class="navlist">
            <li class="btil"><a href="">学习网页</a></li>
            <li class="btil"><a href="">案例 ,下拉在这</a>
                <ul class="droplist">
                    <li><a href="">登录页面</a></li>
                    <li><a href="">花样案例</a></li>
                    <li><a href="">3D</a></li>
                    <li><a href="">视差效果</a></li>
                </ul>
            </li>
            <li class="btil"><a href="">视频了解</a></li>
            <li class="btil"><a href="">网页介绍</a></li>
        </ul>
    </div>
    
</body>
</html>